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Letter

Physical activity in children

Larger scale trials are needed to show what really works

BMJ 2012; 345 doi: http://dx.doi.org/10.1136/bmj.e7030 (Published 24 October 2012)
Cite this as: BMJ 2012;345:e7030

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  1. Joe D Symonds, paediatric trainee1
  1. 1Raigmore Hospital, Inverness IV2 3UJ, UK
  1. josephsymonds{at}nhs.net

Metcalf and colleagues’ meta-analysis found that, when all published trials that measured accelerometer data were pooled together, physical activity interventions in children were not effective.1 This is different from their conclusion that “physical activity interventions do not work in children,” and I would echo Weiler’s point about not getting carried …

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